Transaction not yet indexed

278ZP4BGYG3tsoj6m8sFSAv2ynqpqDmT42ky9qEPTB4x2nFir3UdevGEJiJTnuXaW8T3JDyyATDzgxXj1GGv6QM6

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.